blob: 9046a758c01b165271f429d5633cecbee992ad94 [file] [log] [blame]
<!DOCTYPE HTML>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
var transparentBlack = [0, 0, 0, 0];
var e_sRGB_Red = [1, 0, 0, 1]; // sRGB(255,0,0,255)
var e_sRGB_Green = [0, 1, 0, 1]; // sRGB(0,255,0,255)
var e_sRGB_Blue = [0, 0, 1, 1]; // sRGB(0,0,255,255)
var e_sRGB_Black = [0, 0, 0, 1]; // sRGB(0,0,0,255)
// sRGB(155,27,27,255)
var e_sRGB_OpaqueRed = [0.607422, 0.105835, 0.105835, 1];
// sRGB(27,155,27,255)
var e_sRGB_OpaqueGreen = [0.105835, 0.607422, 0.105835, 1];
// sRGB(27,27,155,255)
var e_sRGB_OpaqueBlue = [0.105835, 0.105835, 0.607422, 1];
// sRGB(27,27,27,255)
var e_sRGB_OpaqueBlack = [0.105835, 0.105835, 0.105835, 1];
// sRGB(155,27,27,128)
var e_sRGB_TransparentRed = [0.607422, 0.105835, 0.105835, 0.501953];
// sRGB(27, 155, 27, 128)
var e_sRGB_TransparentGreen = [0.105835, 0.607422, 0.105835, 0.501953];
// sRGB(27, 27, 155, 128)
var e_sRGB_TransparentBlue = [0.105835, 0.105835, 0.607422, 0.501953];
// sRGB(27, 27, 27, 128)
var e_sRGB_TransparentBlack = [0.105835, 0.105835, 0.105835, 0.501953];
// sRGB(226,31,31,128)
var e_sRGB_TransparentRedImage = [0.886230, 0.121521, 0.121521, 0.501953];
// sRGB(226,31,31,128)
var e_sRGB_TransparentGreenImage = [0.121521, 0.886230, 0.121521, 0.501953];
// sRGB(226,31,31,128)
var e_sRGB_TransparentBlueImage = [0.121521, 0.121521, 0.886230, 0.501953];
// sRGB(226,31,31,128)
var e_sRGB_TransparentBlackImage = [0.121521, 0.121521, 0.121521, 0.501953];
function testPixels(ctx, tests, sourceType, imageSetting)
{
var actual, expected, tolerance = 0.025;
if (sourceType === 'video')
tolerance = 0.03;
for (var i = 0; i < tests.length; i++) {
actual = ctx.getImageData(tests[i][0], tests[i][1], 1, 1, imageSetting).data;
assert_implements(actual, 'ImageData data not supported');
expected = tests[i][2];
assert_equals(actual.length, expected.length);
for (var j = 0; j < actual.length; j++)
assert_approx_equals(actual[j], expected[j], tolerance, tests[i][3]);
}
}
function checkNoCrop(imageBitmap, colorInfo, sourceType)
{
var canvas = document.createElement('canvas');
canvas.width = 50;
canvas.height = 50;
var ctx = canvas.getContext('2d',
{colorSpace: 'srgb', pixelFormat:'float16'});
var imageSetting = {colorSpace: 'srgb', storageFormat:'float32'}
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.drawImage(imageBitmap, 0, 0);
var tests;
if (colorInfo == 'fullColor')
tests = [[0, 0, e_sRGB_Red, "This pixel should be e-sRGB red."],
[39, 0, e_sRGB_Green, "This pixel should be e-sRGB green."],
[0, 39, e_sRGB_Blue, "This pixel should be e-sRGB blue."],
[39, 39, e_sRGB_Black, "This pixel should be e-sRGB black."],
[41, 41, transparentBlack, "This pixel should be transparent black."]];
else if (colorInfo == 'opaque')
tests = [[0, 0, e_sRGB_OpaqueRed,
"This pixel should be e-sRGB like red."],
[39, 0, e_sRGB_OpaqueGreen,
"This pixel should be e-sRGB like green."],
[0, 39, e_sRGB_OpaqueBlue,
"This pixel should be e-sRGB like blue."],
[39, 39, e_sRGB_OpaqueBlack,
"This pixel should be e-sRGB like black."],
[41, 41, transparentBlack, "This pixel should be transparent black."]];
else if (colorInfo == 'transparent')
tests = [[0, 0, e_sRGB_TransparentRed,
"This pixel should be e-sRGB transparent red."],
[39, 0, e_sRGB_TransparentGreen,
"This pixel should be e-sRGB transparent green."],
[0, 39, e_sRGB_TransparentBlue,
"This pixel should be e-sRGB transparent blue."],
[39, 39, e_sRGB_TransparentBlack,
"This pixel should be e-sRGB transparent black."],
[41, 41, transparentBlack,
"This pixel should be transparent black."]];
else if (colorInfo === 'transparent-image')
tests = [[0, 0, e_sRGB_TransparentRedImage,
"This pixel should be e-sRGB transparent red."],
[39, 0, e_sRGB_TransparentGreenImage,
"This pixel should be e-sRGB transparent green."],
[0, 39, e_sRGB_TransparentBlueImage,
"This pixel should be e-sRGB transparent blue."],
[39, 39, e_sRGB_TransparentBlackImage,
"This pixel should be e-sRGB transparent black."],
[41, 41, transparentBlack,
"This pixel should be transparent black."]];
testPixels(ctx, tests, sourceType, imageSetting);
}
function checkCrop(imageBitmap, colorInfo, sourceType)
{
var canvas = document.createElement('canvas');
canvas.width = 50;
canvas.height = 50;
var ctx = canvas.getContext('2d',
{colorSpace: 'srgb', pixelFormat:'float16'});
var imageSetting = {colorSpace: 'srgb', storageFormat:'float32'};
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.drawImage(imageBitmap, 0, 0);
var tests;
if (colorInfo === 'fullColor')
tests = [[0, 0, e_sRGB_Red, "This pixel should be e-sRGB red."],
[19, 0, e_sRGB_Green, "This pixel should be e-sRGB green."],
[0, 19, e_sRGB_Blue, "This pixel should be e-sRGB blue."],
[19, 19, e_sRGB_Black, "This pixel should be e-sRGB black."],
[21, 21, transparentBlack, "This pixel should be transparent black."]];
else if (colorInfo === 'opaque')
tests = [[0, 0, e_sRGB_OpaqueRed,
"This pixel should be e-sRGB like red."],
[19, 0, e_sRGB_OpaqueGreen,
"This pixel should be e-sRGB like green."],
[0, 19, e_sRGB_OpaqueBlue,
"This pixel should be e-sRGB like blue."],
[19, 19, e_sRGB_OpaqueBlack,
"This pixel should be e-sRGB like black."],
[21, 21, transparentBlack, "This pixel should be transparent black."]];
else if (colorInfo === 'transparent')
tests = [[0, 0, e_sRGB_TransparentRed,
"This pixel should be e-sRGB transparent red."],
[19, 0, e_sRGB_TransparentGreen,
"This pixel should be e-sRGB transparent green."],
[0, 19, e_sRGB_TransparentBlue,
"This pixel should be e-sRGB transparent blue."],
[19, 19, e_sRGB_TransparentBlack,
"This pixel should be e-sRGB transparent black."],
[21, 21, transparentBlack,
"This pixel should be transparent black."]];
else if (colorInfo === 'transparent-image')
tests = [[0, 0, e_sRGB_TransparentRedImage,
"This pixel should be e-sRGB transparent red."],
[19, 0, e_sRGB_TransparentGreenImage,
"This pixel should be e-sRGB transparent green."],
[0, 19, e_sRGB_TransparentBlueImage,
"This pixel should be e-sRGB transparent blue."],
[19, 19, e_sRGB_TransparentBlackImage,
"This pixel should be e-sRGB transparent black."],
[21, 21, transparentBlack,
"This pixel should be transparent black."]];
testPixels(ctx, tests, sourceType, imageSetting);
}
function compareBitmaps(bitmap1, bitmap2)
{
var canvas1 = document.createElement('canvas');
var canvas2 = document.createElement('canvas');
canvas1.width = 50;
canvas1.height = 50;
canvas2.width = 50;
canvas2.height = 50;
var ctx1 = canvas1.getContext('2d',
{colorSpace: 'srgb', pixelFormat:'float16'});
var ctx2 = canvas2.getContext('2d',
{colorSpace: 'srgb', pixelFormat:'float16'});
ctx1.clearRect(0, 0, canvas1.width, canvas1.height);
ctx2.clearRect(0, 0, canvas2.width, canvas2.height);
ctx1.drawImage(bitmap1, 0, 0);
ctx2.drawImage(bitmap2, 0, 0);
var data1 = ctx1.getImageData(0, 0, 50, 50,
{colorSpace: 'srgb', storageFormat:'float32'}).data;
assert_implements(data1, 'ImageData data not supported');
var data2 = ctx2.getImageData(0, 0, 50, 50,
{colorSpace: 'srgb', storageFormat:'float32'}).data;
assert_implements(data2, 'ImageData data not supported');
var dataMatched = true;
for (var i = 0; i < data1.length; i++) {
if (data1[i] != data2[i]) {
dataMatched = false;
break;
}
}
assert_false(dataMatched);
}
function testImageBitmap(source, colorInfo, sourceType)
{
return Promise.all([
createImageBitmap(source, {resizeWidth: 40, resizeHeight: 40, resizeQuality: "high"}),
createImageBitmap(source, {resizeWidth: 40, resizeHeight: 40, resizeQuality: "medium"}),
createImageBitmap(source, {resizeWidth: 40, resizeHeight: 40, resizeQuality: "low"}),
createImageBitmap(source, {resizeWidth: 40, resizeHeight: 40, resizeQuality: "pixelated"}),
createImageBitmap(source, 5, 5, 10, 10, {
resizeWidth: 20, resizeHeight: 20, resizeQuality: "high"}),
createImageBitmap(source, 5, 5, 10, 10, {
resizeWidth: 20, resizeHeight: 20, resizeQuality: "medium"}),
createImageBitmap(source, 5, 5, 10, 10, {
resizeWidth: 20, resizeHeight: 20, resizeQuality: "low"}),
createImageBitmap(source, 5, 5, 10, 10, {
resizeWidth: 20, resizeHeight: 20, resizeQuality: "pixelated"}),
]).then(([noCropHigh, noCropMedium, noCropLow, noCropPixelated, cropHigh,
cropMedium, cropLow, cropPixelated]) => {
checkNoCrop(noCropHigh, colorInfo, sourceType);
checkNoCrop(noCropMedium, colorInfo, sourceType);
checkNoCrop(noCropLow, colorInfo, sourceType);
checkNoCrop(noCropPixelated, colorInfo, sourceType);
checkCrop(cropHigh, colorInfo, sourceType);
checkCrop(cropMedium, colorInfo, sourceType);
checkCrop(cropLow, colorInfo, sourceType);
checkCrop(cropPixelated, colorInfo, sourceType);
// Brute-force comparison among all bitmaps is too expensive.
// In case of SVG, resize quality does not affect the images, so all
// of them are the same and the tests fail. Since, we ignore this test
// set for SVG.
if (sourceType != 'svg') {
compareBitmaps(noCropHigh, noCropMedium);
compareBitmaps(noCropLow, noCropPixelated);
compareBitmaps(cropHigh, cropMedium);
compareBitmaps(cropLow, cropPixelated);
}
});
}
function testImageBitmapTransparent(source)
{
return testImageBitmap(source, 'transparent', 'general');
}
function testImageBitmapFromTransparentImage(source)
{
return testImageBitmap(source, 'transparent-image', 'general');
}
function testImageBitmapVideoSource(source)
{
return testImageBitmap(source, 'fullColor', 'video');
}
function testImageBitmapOpaque(source)
{
return testImageBitmap(source, 'opaque', 'general');
}
function testImageBitmapFromSVG(source)
{
return testImageBitmap(source, 'opaque', 'svg');
}
function initializeTestCanvas(canvasColorSpace, canvasPixelFormat)
{
var testCanvas = document.createElement("canvas");
testCanvas.width = 20;
testCanvas.height = 20;
var testCtx = testCanvas.getContext('2d',
{colorSpace: canvasColorSpace, pixelFormat:canvasPixelFormat});
testCtx.fillStyle = "rgba(155, 27, 27, 1)";
testCtx.fillRect(0, 0, 10, 10);
testCtx.fillStyle = "rgba(27, 155, 27, 1)";
testCtx.fillRect(10, 0, 10, 10);
testCtx.fillStyle = "rgba(27, 27, 155, 1)";
testCtx.fillRect(0, 10, 10, 10);
testCtx.fillStyle = "rgba(27, 27, 27, 1)";
testCtx.fillRect(10, 10, 10, 10);
return testCanvas;
}
function initializeTestCanvasTransparent(canvasColorSpace, canvasPixelFormat)
{
var testCanvas = document.createElement("canvas");
testCanvas.width = 20;
testCanvas.height = 20;
var testCtx = testCanvas.getContext('2d',
{colorSpace: canvasColorSpace, pixelFormat:canvasPixelFormat});
testCtx.fillStyle = "rgba(155, 27, 27, 0.5)";
testCtx.fillRect(0, 0, 10, 10);
testCtx.fillStyle = "rgba(27, 155, 27, 0.5)";
testCtx.fillRect(10, 0, 10, 10);
testCtx.fillStyle = "rgba(27, 27, 155, 0.5)";
testCtx.fillRect(0, 10, 10, 10);
testCtx.fillStyle = "rgba(27, 27, 27, 0.5)";
testCtx.fillRect(10, 10, 10, 10);
return testCanvas;
}
////////////////////////////////////////////////////////////////////////////////
// HTMLImageElement - Opaque sRGB
// File formats: AVIF, Bitmap, GIF, ICO, JPEG, PNG, WEBP
['avif', 'bmp', 'gif', 'ico', 'jpg', 'png', 'webp'].forEach(ext => {
promise_test(async () => {
const image = new Image();
image.src = 'resources/pattern-srgb.' + ext;
await image.decode();
await testImageBitmapOpaque(image);
}, 'createImageBitmap in e-sRGB from an opaque sRGB HTMLImageElement (' + ext +
') with resize.');
});
// HTMLImageElement - Transparent sRGB
// File formats: AVIF, Bitmap, ICO, PNG, WEBP
['avif', 'bmp', 'ico', 'png', 'webp'].forEach(ext => {
promise_test(async () => {
const image = new Image();
image.src = 'resources/pattern-srgb-transparent.' + ext;
await image.decode();
await testImageBitmapFromTransparentImage(image);
}, 'createImageBitmap in e-sRGB from a transparent sRGB HTMLImageElement (' + ext +
') with resize.');
});
////////////////////////////////////////////////////////////////////////////////
// SVG Image - sRGB
promise_test(async () => {
const image = new Image();
image.src = 'resources/pattern-srgb.svg'
await image.decode();
await testImageBitmapFromSVG(image);
}, 'createImageBitmap in e-sRGB from a sRGB SVG image with resize.');
////////////////////////////////////////////////////////////////////////////////
// HTMLVideoElement - sRGB
promise_test(async () => {
var video = document.createElement("video");
assert_implements_optional(video.canPlayType("video/ogg"), "video/ogg not supported");
video.preload = "auto";
video.src = 'resources/pattern-srgb-fullcolor.ogv'
await new Promise((resolve, reject) => {
video.onloadeddata = resolve;
video.onerror = reject;
});
await testImageBitmapVideoSource(video);
}, 'createImageBitmap in e-sRGB from a sRGB HTMLVideoElement with resize.');
////////////////////////////////////////////////////////////////////////////////
// HTMLCanvasElement - Opaque sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvas('srgb', 'uint8');
await testImageBitmapOpaque(testCanvas);
}, 'createImageBitmap in e-sRGB from an opaque sRGB HTMLCanvasElement with resize.');
// HTMLCanvasElement - Opaque e-sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvas('srgb', 'float16');
await testImageBitmapOpaque(testCanvas);
}, 'createImageBitmap in e-sRGB from an opaque e-sRGB HTMLCanvasElement with resize.');
////////////////////////////////////////////////////////////////////////////////
// HTMLCanvasElement - Transparent sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvasTransparent('srgb', 'uint8');
await testImageBitmapTransparent(testCanvas);
}, 'createImageBitmap in e-sRGB from a transparent sRGB HTMLCanvasElement with resize.');
// HTMLCanvasElement - Transparent e-sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvasTransparent('srgb', 'float16');
await testImageBitmapTransparent(testCanvas);
}, 'createImageBitmap in e-sRGB from a transparent e-sRGB HTMLCanvasElement with resize.');
//////////////////////////////////////////////////////////////////////////////
// Blob from file - Opaque sRGB
// File formats: AVIF, Bitmap, GIF, ICO, JPEG, PNG, WEBP
['avif', 'bmp', 'gif', 'ico', 'jpg', 'png', 'webp'].forEach(ext => {
promise_test(async () => {
const response = await fetch('resources/pattern-srgb.' + ext);
assert_true(response.ok);
const blob = await response.blob();
await testImageBitmapOpaque(blob);
}, 'createImageBitmap in e-sRGB from an opaque sRGB Blob (' + ext + ') with resize.');
});
// Blob form file - Transparent sRGB
// File formats: AVIF, Bitmap, ICO, PNG, WEBP
['avif', 'bmp', 'ico', 'png', 'webp'].forEach(ext => {
promise_test(async () => {
const response = await fetch('resources/pattern-srgb-transparent.' + ext);
assert_true(response.ok);
const blob = await response.blob();
await testImageBitmapFromTransparentImage(blob);
}, 'createImageBitmap in e-sRGB from a transparent sRGB Blob (' + ext + ') with resize.');
});
// Color managed blob from canvas
function testCreateImageBitmapFromColorManagedBlob(pixelFormat, isTransparent) {
promise_test(async () => {
let canvasPixelFormat = 'uint8';
if (pixelFormat == 'uint16')
canvasPixelFormat = 'float16';
let testCanvas;
if (isTransparent)
testCanvas = initializeTestCanvasTransparent('srgb', canvasPixelFormat);
else
testCanvas = initializeTestCanvas('srgb', canvasPixelFormat);
const blob = await testCanvas.convertToBlob({
quality: 1,
type: 'image/png',
pixelFormat,
});
if (isTransparent)
await testImageBitmapTransparent(blob);
else
await testImageBitmapOpaque(blob);
}, 'createImageBitmap in e-sRGB from color managed Blob' +
' with resize. blobPixelFormat: ' + pixelFormat +
', transparency: ' + isTransparent);
}
function runAllCreateImageBitmapFromColorManagedBlobTests() {
var blobPixelFormats = ['uint8', 'uint16'];
var transparencies = [false, true];
for (var j = 0; j < blobPixelFormats.length; j++)
for (var k = 0; k < transparencies.length; k++) {
testCreateImageBitmapFromColorManagedBlob(
blobPixelFormats[j], transparencies[k]);
}
}
runAllCreateImageBitmapFromColorManagedBlobTests();
////////////////////////////////////////////////////////////////////////////////
// ImageData - Opaque sRGB
promise_test(async () => {
var canvas = initializeTestCanvas('srgb', 'uint8');
var ctx = canvas.getContext('2d');
var data = ctx.getImageData(0, 0, 20, 20,
{colorSpace: 'srgb', storageFormat:'uint8'});
await testImageBitmapOpaque(data);
}, 'createImageBitmap in e-sRGB from an opaque sRGB ImageData with resize.');
// ImageData - Opaque e-sRGB
promise_test(async () => {
var canvas = initializeTestCanvas('srgb', 'float16');
var ctx = canvas.getContext('2d',
{colorSpace: 'srgb', pixelFormat:'float16'});
var data = ctx.getImageData(0, 0, 20, 20,
{colorSpace: 'srgb', storageFormat:'float32'});
await testImageBitmapOpaque(data);
}, 'createImageBitmap in e-sRGB from an opaque e-sRGB ImageData with resize.');
////////////////////////////////////////////////////////////////////////////////
// ImageData - Transparent sRGB
promise_test(async () => {
var canvas = initializeTestCanvasTransparent('srgb', 'uint8');
var ctx = canvas.getContext('2d');
var data = ctx.getImageData(0, 0, 20, 20,
{colorSpace: 'srgb', storageFormat:'uint8'});
await testImageBitmapTransparent(data);
}, 'createImageBitmap in e-sRGB from a transparent sRGB ImageData with resize.');
// ImageData - Transparent e-sRGB
promise_test(async () => {
var canvas = initializeTestCanvasTransparent('srgb', 'float16');
var ctx = canvas.getContext('2d',
{colorSpace: 'srgb', pixelFormat:'float16'});
var data = ctx.getImageData(0, 0, 20, 20,
{colorSpace: 'srgb', storageFormat:'float32'});
await testImageBitmapTransparent(data);
}, 'createImageBitmap in e-sRGB from a transparent e-sRGB ImageData with resize.');
////////////////////////////////////////////////////////////////////////////////
// ImageBitmap - Opaque sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvas('srgb', 'uint8');
await createImageBitmap(testCanvas).then(testImageBitmapOpaque);
}, 'createImageBitmap in e-sRGB from an opaque sRGB ImageBitmap with resize.');
// ImageBitmap - Opaque e-sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvas('srgb', 'float16');
await createImageBitmap(testCanvas).then(testImageBitmapOpaque);
}, 'createImageBitmap in e-sRGB from an opaque e-sRGB ImageBitmap with resize.');
////////////////////////////////////////////////////////////////////////////////
// ImageBitmap - Transparent sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvasTransparent('srgb', 'uint8');
await createImageBitmap(testCanvas).then(testImageBitmapTransparent);
}, 'createImageBitmap in e-sRGB from a transparent sRGB ImageBitmap with resize.');
// ImageBitmap - Transparent e-sRGB
promise_test(async () => {
var testCanvas = initializeTestCanvasTransparent('srgb', 'float16');
await createImageBitmap(testCanvas).then(testImageBitmapTransparent);
}, 'createImageBitmap in e-sRGB from a transparent e-sRGB ImageBitmap with resize.');
////////////////////////////////////////////////////////////////////////////////
function initializeOffscreenCanvas(canvasColorSpace, canvasPixelFormat)
{
var canvas = document.createElement("canvas");
canvas.width = 20;
canvas.height = 20;
var offscreen = canvas.transferControlToOffscreen();
var ctx = offscreen.getContext('2d',
{colorSpace: canvasColorSpace, pixelFormat:canvasPixelFormat});
ctx.fillStyle = "rgba(155, 27, 27, 1)";
ctx.fillRect(0, 0, 10, 10);
ctx.fillStyle = "rgba(27, 155, 27, 1)";
ctx.fillRect(10, 0, 10, 10);
ctx.fillStyle = "rgba(27, 27, 155, 1)";
ctx.fillRect(0, 10, 10, 10);
ctx.fillStyle = "rgba(27, 27, 27, 1)";
ctx.fillRect(10, 10, 10, 10);
return offscreen;
}
//OffscreenCanvas - Opaque sRGB
promise_test(async () => {
var offscreen = initializeOffscreenCanvas('srgb', 'uint8');
await testImageBitmapOpaque(offscreen);
}, 'createImageBitmap in e-sRGB from an opaque sRGB OffscreenCanvas with resize.');
//OffscreenCanvas - Opaque e-sRGB
promise_test(async () => {
var offscreen = initializeOffscreenCanvas('srgb', 'float16');
await testImageBitmapOpaque(offscreen);
}, 'createImageBitmap in e-sRGB from an opaque e-sRGB OffscreenCanvas with resize.');
////////////////////////////////////////////////////////////////////////////////
function initializeOffscreenCanvasTransparent(canvasColorSpace, canvasPixelFormat)
{
var canvas = document.createElement("canvas");
canvas.width = 20;
canvas.height = 20;
var offscreen = canvas.transferControlToOffscreen();
var ctx = offscreen.getContext('2d',
{colorSpace: canvasColorSpace, pixelFormat:canvasPixelFormat});
ctx.fillStyle = "rgba(155, 27, 27, 0.5)";
ctx.fillRect(0, 0, 10, 10);
ctx.fillStyle = "rgba(27, 155, 27, 0.5)";
ctx.fillRect(10, 0, 10, 10);
ctx.fillStyle = "rgba(27, 27, 155, 0.5)";
ctx.fillRect(0, 10, 10, 10);
ctx.fillStyle = "rgba(27, 27, 27, 0.5)";
ctx.fillRect(10, 10, 10, 10);
return offscreen;
}
//OffscreenCanvas - Transparent sRGB
promise_test(async () => {
var offscreen = initializeOffscreenCanvasTransparent('srgb', 'uint8');
await testImageBitmapTransparent(offscreen);
}, 'createImageBitmap in e-sRGB from a transparent sRGB OffscreenCanvas with resize.');
//OffscreenCanvas - Transparent e-sRGB
promise_test(async () => {
var offscreen = initializeOffscreenCanvasTransparent('srgb', 'float16');
await testImageBitmapTransparent(offscreen);
}, 'createImageBitmap in e-sRGB from a transparent e-sRGB OffscreenCanvas with resize.');
////////////////////////////////////////////////////////////////////////////////
</script>